beam antenna feeder

例句：

1. 1. The engineer designed the antenna feeder to connect the transmitter and receiver.
   工程师设计了天线馈线来连接发射机和接收机。
2. 2.The antenna feeder is crucial for maintaining a stable signal transmission.
   天线馈线对于保持信号传输稳定至关重要。
3. 3. The antenna feeder was carefully installed to ensure optimal communication performance.
   天线馈线被仔细安装，以确保最佳的通信性能。